Answers
Answer:
the answer is c part.
Explanation:
hope it helps.
Answer:
The answer is C How many times the heart beats in one minute.
Related Questions
A portable electric heater has a resistance of 10 ohms. It plugs into a wall outlet that is 120 V. How much current, in amps, does it draw?
Answers
Answer:
12 A
Explanation:
I = V/R = 120 V/ 10 Ohm = 12 A
hydrogen bonding is a strong attractive force. T OR F
Answers
Answer:
F
Hope it helps you!
What are data?
A. Pieces of information recorded in an experiment
B. Sources that summarize a primary source
C. Educated guesses about the outcome of an experiment
D. Variables that are adjusted by the experimenter
SUBNIIT
Answers
Answer:
Data is pieces of information recorded in an experiment because data are individual pieces of factual answer recorded and used for the analysis
Explanation:
I hope this will help you :)
you are on the airplane, about to fly to an exotic location. How do acceleration, speed and inertia work to overcome the forces of gravity and air resistance during the take-off?
Answers
Answer:
Make a paper airplane and have him toss it. his arm would be the thrust, the wings would provide lift, the shape of it would minimize drag (air resistance). However, if he put an engine on the same airplane, it would do the same thing as your arm would do.
So thrust, lift, shape.... Inertia is just a by product of the force that pushing you into your seat.
A 51-kg woman runs up a vertical flight of stairs in 5.0 s. Her net upward displacement is 5.0 m. Approximately, what average power did the woman exert while she was running?
Answers
Answer:
510
Explanation:
Power= Rate of doing work i.e work done\time
=force*displacement\time
=mass*g*d\t
=51*10*5/5
=510watt
In which of the following situations or places would you want to reduce the
force of friction?
I A. Skiing down a hill during a race.
B. Walking down a steep hill.
C. Sitting in the bed of a pickup truck while it turns a corner
D. In the axle of the wheels while you ride your bicycle.
Answers
Answer:
D
Explanation:
The correct answer would be in the axle of the wheels while you ride your bicycle.
Options A, B, and C requires that the forces of friction is increased in order to have more control.
However, option D requires that there is a minimal frictional force in the axle of the wheels of a bicycle while riding so that a little effort would be required to keep the bicycle moving.
The lesser the friction, the lower the effort that would be needed to keep the bicycle moving and vice versa.
Is popcorn a object
Answers
Eatable is frequently used to define something that has some level of acceptable flavour, whereas edible is typically used to describe something that is safe to eat, regardless of taste.
What thing best defines as object?The portion of a sentence that the verb directs an action toward is known as an object. In a sentence written in standard English, the order is usually subject-verb-object. The action is performed by the subject, which is represented by the verb, and is received by the object.
Anything that humans can safely eat is considered to be edible. “Edible” differs from “eatable” because it solely considers if an object is suitable for consumption, rather than how it tastes. The term “edible” refers to naturally occurring, non-poisonous objects, such as some mushrooms, insects, seaweed, and so forth.
Therefore, popcorn is defined as an object.
Learn more about object here:
https://brainly.com/question/12569661
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What is the energy conversion in a hair dryer?
A. Heat energy to electric and mechanical energy
B. Potential energy to electric and kinetic energy
C. Electric energy to heat and kinetic energy
D. Light energy to mechanical and electric energy
Answers
Answer:
C.Electrical energy to heat and kinetic energy
Why does the pattern of colors repeat in a thin soap film? Please use 2 content related sentences. (ref: p.522-530)
Answers
Answer: The pattern of colors that repeat in a thin soap film is a result of the interference of light waves reflecting off the front and back surfaces of the film. The specific colors seen are determined by the thickness of the film, with different wavelengths of light being reflected or refracted at different angles, creating the characteristic rainbow pattern.
An object is held 24.8 cm from a lens of focal length 16.0 cm. What is the magnification of the image?
Answers
Answer: 1.8
Explanation:
You are given
the object distance U = 24.8 cm
Focal length F = 16.0 cm
First find the image distance by using the formula:
1/f = 1/u + 1/v
Where V = image distance
Substitute u and f into the formula
1/16 = 1/24.8 + 1/v
1/ v = 1/16 - 1/24.8
1/v = 0.0625 - 0.04032258
1/v = 0.022177
Reciprocate both sides by dividing both sides by one
V = 45.09 cm
Magnification M is the ratio of image distance to the object distance. That is,
M = V/U
Substitute V and U into the formula
M = 45.09/24.8
M = 1.818
Magnification of the image is therefore equal to 1.8 approximately
Answer:
-1.82
Explanation:
the first answer process was actually somewhat correct but the signs were switched.
A camera lens focuses on an object 75.0 cm from the lensThe image forms 3.50 cm behind the lens. What is the magnification of the image?
Answers
Answer:
7/150
Explanation:
The following data were obtained from the question:
Object distance (u) = 75cm
Image distance (v) = 3.5cm
Magnification (M) =..?
Magnification is simply defined as:
Magnification (M) = Image distance (v)/ object distance (u)
M = v /u
With the above formula, we can obtain the magnification of the image as follow:
M = v/u
M = 3.5/75
M = 7/150
Therefore, the magnification of the image is 7/150.
Answer:
-0.0466
Explanation:
What constant horizontal force is required to drag a 5 kg block along a
horizontal surface with an acceleration of 1 ms-2 if the coefficient of
sliding friction between the block and the surface is 0.5.
Answers
Answer:
25N
Explanation:
formula=> Frictional force= coefficient of friction x normal reaction
normal reaction is mass x gravity(10N/kg)
so Frictional force= 0.5x5x10
=25N
but that is the Frictional force not the constant force
to get the constant force, subtract the Frictional force from the weight of the block
weight= mass x gravity
= 5x10
= 50N
50N-25N
=25N
Do you believe the right to property is a natural right? Why or why not?
Answers
As your bike coasts downhill, your speed goes from 2 m/s to 4 m/s in 0.5 seconds. What is your acceleration?
A. 4 m/s
B. 1 m/s
C. 2 m/s
D. 8 m/s
Answers
Answer:
A.4m/s
Explanation:
(4m/s-2m/s)÷0.5s
=2m/s÷0.5s
=4m/s
A scientist adds different amounts of salt to 5 bottles of water. He then measures how long it takes for the water to boil. what is the dependent variable in this experiment?
Answers
Guy received his home loan for $200,000. Determine which of the following was the mortgage company’s most important reason for giving him his loan. budget plan of how the payments will be made the total value of current assets and all income the referral from other clients of the company the neighborhood in which the home is located NEXT QUESTION
Answers
Answer: The answer is "the total value of current assets and all income"
Explanation:
The voltage in a lightbulb is given by the equation V = IR. In this equation, Vis
the voltage, / is the current, and Ris the resistance. What is the resistance in a
lightbulb with a voltage of 25 V and a current of 0.2 A?
Answers
Answer:
R = 125 ohms
Explanation:
V = i * R
R = V / I
V = 25
I = 0.2
R = 25 / 0.2
R = 250 / 2
R = 125 ohms
in a car how does an airbag minimize the force acting on a person during a collision
Answers
Answer:
It increases the time it takes for the person to stop.
Explanation:
Answer:
It increases the time it takes for the person to stop.
Explanation:
Which of the following is a scalar quantity?
O A. 8 km/hr down
O B. 45 ft to the right
O C. 100 ft/min
O D. 25 m/s south
Answers
because scalar is measured with magnitude, and vectors is measured with both magnitude and direction which is 30m/s east
why doesn't the skateboarder rolls as high up the ramp each time you go down the ramp
Answers
Answer:
Some of her energy transforms to thermal energy.
Explanation:
what are three reasons we should be concerned about the current rapid extinction rate
Answers
Answer:
1. Possibility of all life being wiped out
2. Ecosystem being imbalanced.
3. Loss of one species triggers the lost of others as the food chain will collapse.
Answer:
a
Explanation:
an inclined plane makes work easier by increasing the distance and decreasing the____.
Answers
Answer:
force
Explanation:
Answer:
force
Explanation:
If the period of a certain wave (wavelength = 4.5 m) is 2 seconds, what is the speed of the wave?
0.44 m/s
1.1 m/s
9.0 m/s
2.3 m/s
Answers
Answer:
2.25m/s
Explanation:
wavelength=4.5m
period=2sec
frequency= 1/period
=1/2
speed= wavelength×wave frequency
=4.5×1/2
=2.25 m/s
so, none of the options are correct
Answer:
2.3 m/s
Explanation:
I took the test.
What is indicated by the slope of an acceleration vs. time graph?
A. The velocity of an object
B. The total displacement of the object
C. The change in position of the object
D. The maximum speed of the object
Answers
Answer:
Option A is tge correct answer.
Explanation:
The reason for above answer is the slope of acceleration vs time graph shows the velocity as when the acceleration gets positive , the velocity gets increased and when the acceleration gets negative tgen velocity also decreases.
hope it helps..
Answer:
no value was assigned to the slope of an acceleration vs. time graph
Explanation:
Referring to the above diagram, how high will the ball rise on the right-hand incline?
0 cm
7 cm
15 cm
no way to tell
Answers
Might be 7cm
Calculate the orbital radii for the first six principal quantum numbers
Answers
Answer:
Explanation:
Formula for calculating radius is
r=.529A x n^2 where A=10^-10m
So put n=1,2,3,4............
The graph below shows the conservation of energy for a skydiver jumping out
of a plane and landing safely on the ground. Which energy is represented by
line B?
A. Elastic energy
B. Kinetic energy
C. Light energy
D. Potential energy
Answers
Answer:
The correct option is:
B) Kinetic Energy
Explanation:
We know that if a body is placed at a certain height, it possesses Potential Energy, which is represented by 'mgh'. In this case, when the skydiver is present in the plane, before jumping, he has potential energy as he is at height 'h'.
As Kinetic energy is given as '(1/2)mv²' dependent on velocity of the object, when the skydiver jumps of the plane, his height starts decreasing, which decreases his Potential Energy. As energy can neither be created or destroyed, but is converted to one form or another, all this Potential energy starts to convert into Kinetic energy. As Potential Energy decreases with distance, Kinetic energy increases. Hence, line B represents Kinetic Energy.
What is the purpose of putting dimples on the surface of materials?
Answers
Answer:
Dimples help the golf ball convert spin into lift.
But it was quite an accident that this effect was discovered.
Explanation:
Please i need a Brainliest.
Answer: It depends on the material and its purpose.
Explanation:
at a surface level question, I would assume for the most part, less area available for friction.
Answer it plz the answer is easy but cant undersatand
Answers
Answer:
2.
a. 3 meters^3 is the volume.
Explanation: This is when we find the volume of a rectangular prism which is whl so, 2*1.5*1=3^3.
b. 3000 is the mass.
Explanation: Density is calculated by mass/volume so, 1000=m/3. When we multiply 3 to both sides, we get 1000*3 which is 3000. So, 1000=3000/3.
Hope this helps!!! PLZ MARK BRAINLIEST!!!
In a closed system, _____ energy is equal to potential energy plus kinetic energy. A. mechanical B. electrical C. thermal D. chemical
Answers
Answer:
Well, Your answer is Mechanical. Because, The Mechanical energy is the sum of the kinetic energy and the potential energy. In the closed systems, The mechanical energy is equel to potential energy plus kinetic energy.
Good Luck!!~
By Itsbrazts
Answer: Mechanical Energy
Explanation: The Mechanical energy of an object is equal to Potential energy plus Kinetic energy.